The powers would still be ridiculously hard to do though. For starters the basic stabby thing with terrain is pretty hard and proabably laggy. Then there's the ridiculous variety which contributes to the difficulty in sheer weight of content.

Ooh! Ooh! Make the homunculi too! Like greed and Sloth! Also make an Ed where you turn his arm into a blade and can cut things. Kinda like darkstorms melees. That would be friggin sweet! You should be able to make mostly MELEE weapons though. Not guns. You could only do that if you had a philosopher's stone like Father Cornello.

You revived a thread from the dead, and say things that make it seem like you did not actually read it.

As an FMA fan, to some degree anyway, I have already experimented in screwing with Grif's terrific Constructor to generate things.
It's hard, boring, and not worth it.